1. Division of Research, Kaiser Permanente Northern California, Oakland
2. Department of Endocrinology, Kaiser Permanente Northern California, South San Francisco
3. Department of Neurology, Kaiser Permanente Northern California, Walnut Creek
4. Division of Research, Kaiser Permanente Northern California, Oakland4Departments of Epidemiology, Biostatistics and Medicine, University of California, San Francisco5Department of Health Research and Policy, Stanford University School of Medicine, Stanfor
5. Division of Research, Kaiser Permanente Northern California, Oakland6Department of Cardiology, Kaiser Permanente Northern California, Oakland7Department of Medicine, University of California, San Francisco